<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8" />
		<script src="../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
		<link rel="import" href="event-element1.html">
		<link rel="import" href="event-element2.html">
	</head>

	<body>
		<!--第一种，直接写在标签里，用on-eventName=“eventHandler”的方式-->
		<event-element1></event-element1>
		<event-element2></event-element2>
	</body>

</html>